xref: /llvm-project/llvm/test/Transforms/InferAlignment/attributes.ll (revision 0f152a55d3e4e71f7c795bf555e40c8895b97077)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
2; RUN: opt < %s -passes=infer-alignment -S | FileCheck %s
3
4define void @attribute(ptr align 32 %a) {
5; CHECK-LABEL: define void @attribute
6; CHECK-SAME: (ptr align 32 [[A:%.*]]) {
7; CHECK-NEXT:    [[LOAD:%.*]] = load i32, ptr [[A]], align 32
8; CHECK-NEXT:    store i32 123, ptr [[A]], align 32
9; CHECK-NEXT:    ret void
10;
11  %load = load i32, ptr %a, align 1
12  store i32 123, ptr %a, align 1
13  ret void
14}
15
16define void @attribute_through_call(ptr align 32 %a) {
17; CHECK-LABEL: define void @attribute_through_call
18; CHECK-SAME: (ptr align 32 [[A:%.*]]) {
19; CHECK-NEXT:    [[RES:%.*]] = call ptr @call(ptr [[A]])
20; CHECK-NEXT:    [[LOAD:%.*]] = load i32, ptr [[RES]], align 32
21; CHECK-NEXT:    store i32 123, ptr [[RES]], align 32
22; CHECK-NEXT:    ret void
23;
24  %res = call ptr @call(ptr %a)
25  %load = load i32, ptr %res, align 1
26  store i32 123, ptr %res, align 1
27  ret void
28}
29
30define void @attribute_return_value(ptr %a) {
31; CHECK-LABEL: define void @attribute_return_value
32; CHECK-SAME: (ptr [[A:%.*]]) {
33; CHECK-NEXT:    [[RES:%.*]] = call align 32 ptr @call(ptr [[A]])
34; CHECK-NEXT:    [[LOAD:%.*]] = load i32, ptr [[RES]], align 32
35; CHECK-NEXT:    store i32 123, ptr [[RES]], align 32
36; CHECK-NEXT:    ret void
37;
38  %res = call align 32 ptr @call(ptr %a)
39  %load = load i32, ptr %res, align 1
40  store i32 123, ptr %res, align 1
41  ret void
42}
43
44declare ptr @call(ptr returned)
45